EP3112626A1 - Lubricating grease supply device and method for lubricating a bearing of a wind turbine - Google Patents
Lubricating grease supply device and method for lubricating a bearing of a wind turbine Download PDFInfo
- Publication number
- EP3112626A1 EP3112626A1 EP16173683.0A EP16173683A EP3112626A1 EP 3112626 A1 EP3112626 A1 EP 3112626A1 EP 16173683 A EP16173683 A EP 16173683A EP 3112626 A1 EP3112626 A1 EP 3112626A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- grease
- bearing
- supply device
- circuit
- wind turbine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004519 grease Substances 0.000 title claims abstract description 235
- 230000001050 lubricating effect Effects 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000004140 cleaning Methods 0.000 claims abstract description 39
- 230000005484 gravity Effects 0.000 claims abstract description 30
- 239000006148 magnetic separator Substances 0.000 claims abstract description 26
- 238000005461 lubrication Methods 0.000 claims description 29
- 239000002245 particle Substances 0.000 claims description 27
- 230000005291 magnetic effect Effects 0.000 claims description 20
- 238000012806 monitoring device Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 2
- 239000006249 magnetic particle Substances 0.000 description 16
- 238000012423 maintenance Methods 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 6
- 239000012535 impurity Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/10—Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0009—Settling tanks making use of electricity or magnetism
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/2405—Feed mechanisms for settling tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
- B01D21/2483—Means or provisions for manually removing the sediments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/26—Magnetic separation acting directly on the substance being separated with free falling material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/28—Magnetic plugs and dipsticks
- B03C1/286—Magnetic plugs and dipsticks disposed at the inner circumference of a recipient, e.g. magnetic drain bolt
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/30—Combinations with other devices, not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/70—Bearing or lubricating arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
- F16N39/06—Arrangements for conditioning of lubricants in the lubricating system by filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C2201/00—Details of magnetic or electrostatic separation
- B03C2201/18—Magnetic separation whereby the particles are suspended in a liquid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/10—Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters
- F01M2001/1028—Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters characterised by the type of purification
- F01M2001/1042—Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters characterised by the type of purification comprising magnetic parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/98—Lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2360/00—Engines or pumps
- F16C2360/31—Wind motors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Definitions
- the invention relates to a grease supply device of a wind turbine. Furthermore, the invention relates to a wind turbine with a bearing lubricated with grease and the use of a grease supply device. The invention also relates to a method for lubricating a bearing of a wind turbine with lubricating grease.
- the bearings of a wind turbine can be lubricated with grease or oil.
- grease lubricated bearings usually a stock lubrication is used, ie the bearing is filled with a large amount of grease. This happens for example via an outer ring of the bearing, from which the grease enters radially into the inner storage space. It is also known to perform a time-dependent relubrication. For example, a given amount of lubricating grease is added to the bearing at predetermined time intervals.
- EP 1 801 415 B1 is also known to control the supply of grease depending on the speed or the temperature.
- a grease supply device of a wind turbine which is further developed by a grease conveying device and a grease cleaning device, wherein the grease conveying device is adapted to promote grease in a conveying direction in a closed grease circuit, wherein a bearing of the wind turbine and the grease cleaning device to be lubricated each one Form part of the closed grease circuit, and wherein the grease cleaning device comprises a magnetic separator or at least one gravity separator.
- the construction of the grease supply device according to aspects of the invention is based on the following considerations.
- In principle there is the possibility of contaminants entering the bearing of the wind energy plant, for example during installation / assembly or as part of later maintenance work.
- abrasive particles, which occur during operation of the bearing to accumulate in the grease used to lubricate the bearing.
- Impurities and abrasion will be referred to below generally as particles.
- a grease cleaning device is provided, by means of which particles are removed from the lubricating grease of the bearing. This measure reduces the wear of the bearing and increases its life. The negative influence of the particles present in the bearing grease is significantly reduced.
- the grease cleaning device comprises the magnetic separator and at least one gravity separator.
- the permanent fat exchange also provides a kind of "flushing effect".
- the grease can namely be promoted with a relatively high volume flow, so that existing particles in the bearing are conveyed together with the grease from the camp and then filtered out.
- the bearing more precisely its bearing surfaces are thus simultaneously lubricated and freed of impurities.
- the benefits of lubricating grease are maintained. These are, for example, the good adhesion characteristics of lubricating grease, in particular compared to oil, its anti-corrosive effect, the maintenance of the lubrication of the bearings even when the wind turbine is stopped and low requirements with regard to the sealing of the bearing housing.
- the grease in the circuit preferably in the lower part of the circuit.
- it is due to a relatively high mass, in particular metal mass of the support structure, cooler than in the wider environment, so that a cooling of the lubricating grease, which is recycled, automatically. It may also preferably be provided to use a cooling device for cooling the grease.
- the bearing of the wind turbine is, for example, a rotor bearing, a pitch bearing (pitch bearing), a tower bearing or another bearing of a rotating shaft.
- the bearings can be designed as rolling bearings or plain bearings.
- the bearings are either axial or radial bearings.
- the bearing is an axially effective rolling bearing, as it is used as a rotor bearing.
- the grease preferably has a NLGI grade grease consistency of from 000 to 2, especially from 00 to 2, further preferably 00 or 1.5.
- the grease supply device characterized in that the magnetic separator and at least one gravity separator are accommodated in a common filter insert, wherein the filter insert is designed as an exchangeable module.
- the magnetic separator and at least one gravity separator are mounted in the common filter cartridge.
- This construction facilitates the service of the grease supply device, since to remove the contaminants filtered from the grease, preferably the entire unit, i. the entire module is replaced.
- the service time is advantageously limited to a minimum.
- the removed module can then be cleaned or prepared so that it is ready for reuse in a similar or similar grease supply device.
- the grease supply device is further developed by the fact that a first and a second gravitational separator are present, which are arranged in succession in the closed grease circuit.
- a two-step gravity separation of particles present in the grease allows a particularly thorough cleaning of the grease.
- more than two gravitational separators are arranged successively in the grease cleaning device.
- the grease supply device is further developed by the fact that the magnetic separator permanent magnetic magnetic field generating means comprises. According to a further development it is further provided that the magnetic field generating means are at least approximately perpendicular to the lubricating grease conveying direction aligned rods.
- Permanent magnetic rods have proven to be particularly effective for separating magnetic particles from the grease. They provide in particular in their arrangement perpendicular to the grease conveying direction a large surface ready, which is flowed around by the grease. Thus, magnetic particles present in the grease effectively deposit themselves on the surface of the rods. Permanent magnetic magnetic field generating means, such as permanent magnets, are virtually maintenance-free and also readily available at low cost. A magnetic separator according to this embodiment is thus structurally particularly simple and also economical to produce.
- Contaminants or abrasion particles present in a lubricant of a bearing always allow a conclusion to be drawn about the condition of the bearing.
- a grease monitoring device for monitoring a state of the bearing to be lubricated from the closed grease circuit is included.
- a device for monitoring the condition of a bearing to be lubricated is a particle counter.
- the measured value provided by the monitoring device can not be used only to close the state of the bearing. It is also possible to use this reading as a limit to get an indication that the grease purifier should be cleaned or serviced.
- the particle concentration in the grease rises above a certain level Limit value, so for example, the capacity of the magnetic separator or the at least one gravity separator can be exhausted. In order to maintain a desired quality of the grease with regard to its contamination, a cleaning or maintenance of the grease cleaning device should be made.
- a plurality of bearings of the wind turbine are integrated into the grease circuit.
- the bearing of the wind power plant is, for example, a rotor bearing, blade thrust bearing, tower bearing or the like. These bearings are integrated, for example, in series or in parallel in the grease circuit.
- the high quality of the grease for a plurality of bearings of the wind turbine is ensured in this way by means of a single grease supply device.
- the grease supply device is developed in that a direct lubrication system is integrated into the closed grease circuit, wherein the direct lubrication system comprises a grease introduction device with an outlet opening, which is aligned against a raceway of the bearing.
- a direct lubrication system ensures safe and reliable lubrication of the raceway of the bearing.
- Targeted lubrication of the bearing with grease is possible.
- the lubricating grease introduction device is preferably a grease injection device. Accordingly, the grease is preferably sprayed onto the raceway of the bearing.
- the outlet opening is accordingly preferably designed as a nozzle, whereby a very efficient injection of lubricating grease is made possible.
- the object is further achieved by a wind energy plant with at least one lubricated with grease bearing, wherein the wind turbine is formed by a grease supply device according to one or more of the aforementioned aspects.
- the bearing of the wind power plant is, for example, the rotor bearing.
- the wind turbine on a corresponding grease supply device.
- several bearings of the wind turbine such as the rotor bearing, one or more Blattverstelllager or the tower bearing, are integrated in series or parallel in the closed grease circuit of the grease supply device.
- the advantageously increased life of the bearings of the wind turbine also has an advantageous effect on their overall performance, in particular their service life and cost-effectiveness.
- the object is further achieved by the use of a grease supply device according to one or more of the mentioned aspects and embodiments in a wind energy plant with at least one bearing lubricated with grease.
- the object is achieved by a method for lubricating a bearing of a wind turbine with lubricating grease, this method being developed in that the grease is conveyed in a conveying direction in a closed grease circuit, wherein the bearing of the wind turbine to be lubricated and a grease cleaning device each have a section form the closed grease circuit, and wherein particles present in the grease are deposited in the grease cleaning device with a magnetic separator or with at least one gravity separator.
- the method according to aspects of the invention is far superior to conventional lubrication methods such as loss lubrication. It is not a one-time or possibly in the context of service work consuming repetitive lubrication of the bearing by appropriate fat filling, but a continuous uniform lubrication.
- impurities in particular wear particles, are removed from the warehouse. There is a high replacement of the lubricant, i. a high lubricating exchange, in the warehouse instead. This also advantageously causes a kind of "flushing effect".
- the particles present in the grease are deposited in the grease cleaning device with the magnetic separator and with at least one gravity separator.
- the method in that a magnetic field for separating particles is generated in the magnetic separator with permanent magnetic magnetic field generating means.
- a state of the bearing is monitored by monitoring a state of the lubricating grease, in particular with regard to a number of particles present in the lubricating grease.
- a direct lubrication system is integrated into the closed grease circuit, wherein the direct lubrication system comprises a Schmierfetteinbringvoriques with an outlet opening and grease is applied directly to a raceway of the bearing through this outlet opening.
- Fig. 1 shows a cross-sectional view through a nacelle 3 of a wind turbine 1, for example, the wind turbine MD70 of the applicant.
- a wind turbine for example, the wind turbine MD70 of the applicant.
- DE 10 2012 205 086 A1 this system is also described.
- the nacelle 3 sits on a tower 2, whose gondola section is shown.
- a wind rotor 22 is shown.
- the rotor blades 5 each have a rotor blade bearing 6 to which a blade adjustment drive 7 acts.
- the blade adjustment drive 7 is controlled by a controller 8 and changes the blade pitch angle (pitch angle) of the respective rotor blade 5 during operation of the wind turbine 1.
- the nacelle 3 accommodates a machine carrier 12 which is connected to the tower 2 via a tower head turntable 9 and an unillustrated tower bearing.
- Windnach operationssmotoren 10 attack an azimuth adjustment, which align the nacelle 3 and the wind rotor 22 in the direction of the prevailing wind direction.
- four wind follower motors 10 are provided, two of which are arranged on the side shown and two concealed behind it on the opposite side of the machine carrier 12. Also engage the tower head turntable 9 azimuth brakes 11, which serve to lock the azimuth of the wind rotor 22.
- the wind rotor 22 drives a rotor shaft 13, which is rotatably mounted in a rotor bearing 14 designed as a rolling bearing.
- the rotor bearing 14 is formed as a fixed bearing, which allows only a few millimeters clearance in the axial direction of the rotor shaft 13.
- the rotor shaft 13 drives a gear 15, which converts the slow rotational movement of the rotor shaft 13 in a rapid rotational movement of a generator shaft 19, which is shown with clutches.
- the fast shaft of the transmission 15 in turn drives a generator 20 for power generation, with a heat exchanger 21 is equipped.
- two rotor bearings are provided for supporting the rotor shaft. Both the front and the rear bearing may be formed as a bearing for receiving the rotor thrust.
- the transmission 15 has a rotor brake 17 and a slip ring transmitter 18 and two elastic transmission suspensions 16 or supports, one of which in Fig. 1 is shown, while the other is symmetrically on the opposite side of the transmission 15 and thus covered by the gear 15.
- Fig. 2 shows in simplified and schematic cross-sectional view of a grease supply device 30, as shown for example in the in Fig. 1 shown wind turbine 1 is used.
- the grease supply device 30 is used in such a wind turbine 1, forms one or is part of such a wind turbine 1.
- the grease supply device 30 is shown in FIG Fig. 2 shown in sections. It comprises a lubricating-grease conveying device 32, which is set up to convey lubricating grease 34 in a conveying direction 36, illustrated by arrows by way of example, in a closed lubricating-fluid circuit. It is a fluidic closed circuit. To promote the grease, the grease delivery device comprises a pump 38 and a piping system 40 shown in sections.
- At least one bearing to be lubricated the wind turbine 1 is integrated into the closed grease circuit, so connected for example via the piping 40 to the grease supply device 30.
- the camp forms a section of the closed grease circuit.
- the grease 34 is provided at an exit 42 from the grease supply device 30 and conveyed to the bearing to be lubricated. For example, grease discharged from the bearing of the wind energy plant 1 reaches an inlet 44 of the grease supply device 30 via the piping system 40.
- the bearing to be lubricated of the wind turbine 1 is, for example, the rotor bearing 14, one or more rotor blade bearings 6 or the tower bearing, not shown. It is also contemplated that multiple bearings are connected simultaneously to and supplied from the grease supply device 30. These bearings are in series, i. one after the other, or integrated in parallel in the closed grease circuit.
- the bearing (s) of the wind turbine 1 to be lubricated form a section of the fluidically closed lubricating-fluid circuit.
- the grease supply device 30 further includes a grease cleaning device 46. This also forms a portion of the closed grease circuit.
- the grease cleaning device 46 comprises a magnetic separator 48 and a first gravity separator 50 and a second gravity separator 52. According to further embodiments, it is provided that the grease supply device 30 comprises only a single gravitational separator or more than two gravitational separator.
- the grease purifier 46 causes grease 34, which is supplied to it at the entrance 44, cleaned and recycled at the output 42 in purified form the closed lubricating circuit.
- the contaminated grease 34 which passes from the bearing 6, 14 to be lubricated to the inlet 44 of the grease cleaning device 46, is first supplied to the magnetic separator 48.
- electromagnets or the like are provided as magnetic field generating means.
- the grease 34 which is largely freed from magnetic particles, then passes into the first gravity separator 50.
- this vessel which is in the form of a pot or trough, 34 non-magnetic particles or impurities sediment in the grease.
- deposits 58 of nonmagnetic particles thus form.
- the second gravity separator 52 preferably has a larger volume than the first gravity separator 50, so that the residence time of the grease 34 in the second gravity separator 52 is greater. Thus, it is possible that in the second gravitational separator 52 finer particles deposit or sediment there.
- the grease 34 runs via the connecting line 60 into a buffer 62.
- the particle-cleaned grease 34 collects until it then via the pump 38 to the outlet 42 of the grease cleaning device 46 is promoted.
- the buffer 62 further comprises a ventilation dryer 70. From there, the cleaned grease 34 passes through the closed grease circuit again to one or more of the bearings 6, 14 of the wind turbine 1 to be lubricated.
- Fig. 3 schematically shows the grease supply device 30 of a wind turbine 1.
- a bearing to be lubricated such as a rotor bearing 14
- the pump 38 promotes the cleaned grease 34 again to the warehouse of the wind energy plant.
- the grease is conveyed in a closed circuit.
- the magnetic separator 48 and the first gravity separator 50 are received in a common filter cartridge 64.
- the filter insert 64 is designed as an exchangeable module and therefore connected via detachable connections, such as screws 66, with the housing of the grease cleaning device 46.
- the complete filter insert 64 of the grease cleaning device 46 is removed and replaced for example by a new or cleaned filter cartridge.
- the filter insert 64 which comprises the deposits 56, 58 of magnetic and non-magnetic particles is subsequently cleaned or fed to a treatment.
- the deposits 58 of non-magnetic particles present in the second gravitational separator 52 are discharged via a sloping outlet 68 (dirt discharge) during the course of the maintenance work carried out.
- the grease supply device 30 (see FIG. Fig. 3 ) further includes a grease monitor 72.
- This is preferably a particle counter.
- the grease monitoring device 72 is primarily for monitoring a condition of the bearing 6, 14 to be lubricated. It is also preferably integrated in the closed grease circuit. However, conclusions about a state of the grease supply device 30 are also possible based on the value which is used to describe the condition of the bearing 6, 14 to be lubricated. Is this saturated, in other words no longer able to produce a sufficient amount of magnetic or to absorb non-magnetic particles, so their number will increase in the pumped grease 34. If the concentration of the particles in the grease circuit reaches a critical value, it is advisable to subject the grease cleaning device 46 to a cleaning or to arrange a service thereof.
- the grease monitoring device 72 is in particular connected to a control center via a corresponding (not shown) data line, so that a corresponding maintenance notice can be transmitted to the control center.
- the grease supply device 30 includes a direct lubrication system, not shown in detail. This is also integrated in the closed grease circuit.
- the direct lubrication system includes a grease injector having an exit port aligned with a raceway of the bearing 6, 14. Such a direct lubrication system allows a targeted lubrication of the raceway of the bearing 6, 14, so that its lubrication is always optimally guaranteed.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Combustion & Propulsion (AREA)
- Wind Motors (AREA)
- Rolling Contact Bearings (AREA)
Abstract
Die Erfindung betrifft eine Schmierfettversorgungsvorrichtung (30), eine Windenergieanlage (1) sowie die Verwendung einer Schmierfettversorgungsvorrichtung (30) und ein Verfahren zum Schmieren eines Lagers (6, 14) einer Windenergieanlage (1) mit Schmierfett (34). Die Schmierfettversorgungsvorrichtung (30) der Windenergieanlage (1) zeichnet sich aus durch eine Schmierfettfördervorrichtung (32) und eine Schmierfettreinigungsvorrichtung (46), wobei die Schmierfettfördervorrichtung (32) dazu eingerichtet ist, Schmierfett (34) in einer Förderrichtung (36) in einem geschlossenen Schmierfettkreislauf zu fördern, wobei ein zu schmierendes Lager (6, 14) der Windenergieanlage (1) und die Schmierfettreinigungsvorrichtung (46) jeweils einen Abschnitt des geschlossenen Schmierfettkreislaufs bilden, und wobei die Schmierfettreinigungsvorrichtung (46) einen magnetischen Abscheider (48) oder zumindest einen Schwerkraftabscheider (50, 52) aufweist.The invention relates to a grease supply device (30), a wind turbine (1) and the use of a grease supply device (30) and a method for lubricating a bearing (6, 14) of a wind turbine (1) with lubricating grease (34). The grease supply device (30) of the wind energy plant (1) is characterized by a grease conveyor device (32) and a grease cleaning device (46), wherein the grease delivery device (32) is adapted to lubricating grease (34) in a conveying direction (36) in a closed grease circuit wherein a bearing to be lubricated (6, 14) of the wind turbine (1) and the grease cleaning device (46) each form a portion of the closed grease circuit, and wherein the grease cleaning device (46) a magnetic separator (48) or at least one gravity separator ( 50, 52).
Description
Die Erfindung betrifft eine Schmierfettversorgungsvorrichtung einer Windenergieanlage. Ferner betrifft die Erfindung eine Windenergieanlage mit einem mit Schmierfett geschmierten Lager sowie die Verwendung einer Schmierfettversorgungsvorrichtung. Die Erfindung betrifft außerdem ein Verfahren zum Schmieren eines Lagers einer Windenergieanlage mit Schmierfett.The invention relates to a grease supply device of a wind turbine. Furthermore, the invention relates to a wind turbine with a bearing lubricated with grease and the use of a grease supply device. The invention also relates to a method for lubricating a bearing of a wind turbine with lubricating grease.
Die Lager einer Windenergieanlage können mit Fett oder Öl geschmiert werden. Bei fettgeschmierten Lagern wird üblicherweise eine Vorratsschmierung verwendet, d.h. das Lager wird mit einer großen Menge Schmierfett befüllt. Dies geschieht beispielsweise über einen Außenring des Lagers, von dem aus das Schmierfett radial in den innenliegenden Lagerraum eintritt. Es ist ebenso bekannt, eine zeitabhängige Nachschmierung vorzunehmen. Beispielsweise wird in vorgegebenen Zeitintervallen eine bestimmte Menge Schmierfett in das Lager gegeben. Aus
Es ist eine Aufgabe der Erfindung, eine Schmierfettversorgungsvorrichtung einer Windenergieanlage, eine Windenergieanlage, eine Verwendung einer Schmierfettversorgungsvorrichtung sowie ein Verfahren zum Schmieren eines Lagers einer Windenergieanlage mit Schmierfett anzugeben, wobei eine verbesserte Fett-Schmierung des Lagers erzielt werden soll und insbesondere der technische Aufwand zum Realisieren der verbesserten Schmierung möglichst gering gehalten werden soll.It is an object of the invention to provide a grease supply device of a wind turbine, a wind turbine, a use of a grease supply device and a method for lubricating a bearing of a wind turbine with grease, wherein an improved grease lubrication of the bearing to be achieved and in particular the technical effort to realize the improved lubrication should be kept as low as possible.
Die Aufgabe wird gelöst durch eine Schmierfettversorgungsvorrichtung einer Windenergieanlage, die durch eine Schmierfettfördervorrichtung und eine Schmierfettreinigungsvorrichtung weitergebildet ist, wobei die Schmierfettfördervorrichtung dazu eingerichtet ist, Schmierfett in einer Förderrichtung in einem geschlossenen Schmierfettkreislauf zu fördern, wobei ein zu schmierendes Lager der Windenergieanlage und die Schmierfettreinigungsvorrichtung jeweils einen Abschnitt des geschlossenen Schmierfettkreislaufs bilden, und wobei die Schmierfettreinigungsvorrichtung einen magnetischen Abscheider oder zumindest einen Schwerkraftabscheider aufweist.The object is achieved by a grease supply device of a wind turbine, which is further developed by a grease conveying device and a grease cleaning device, wherein the grease conveying device is adapted to promote grease in a conveying direction in a closed grease circuit, wherein a bearing of the wind turbine and the grease cleaning device to be lubricated each one Form part of the closed grease circuit, and wherein the grease cleaning device comprises a magnetic separator or at least one gravity separator.
Die Konstruktion der Schmierfettversorgungsvorrichtung gemäß Aspekten der Erfindung beruht auf den folgenden Überlegungen. Es besteht grundsätzlich die Möglichkeit, dass Verunreinigungen in das Lager der Windenergieanlage eindringen, beispielsweise bei der Installation/Montage oder im Rahmen von später durchgeführten Wartungsarbeiten. Außerdem ist es möglich, dass sich Abriebpartikel, welche während des Betriebs des Lagers auftreten, im zur Schmierung des Lagers verwendeten Schmierfett ansammeln.The construction of the grease supply device according to aspects of the invention is based on the following considerations. In principle, there is the possibility of contaminants entering the bearing of the wind energy plant, for example during installation / assembly or as part of later maintenance work. In addition, it is possible for abrasive particles, which occur during operation of the bearing, to accumulate in the grease used to lubricate the bearing.
Verunreinigungen und Abrieb sollen im Folgenden allgemein als Partikel bezeichnet werden.Impurities and abrasion will be referred to below generally as particles.
Sowohl die Partikel, welche im Rahmen der Herstellung oder durch Wartungsarbeiten in das Schmierfett eingetragen werden, als auch die in Folge des Betriebs auftretenden Partikel im Lagerfett führen zu einer unerwünschten Erhöhung der Reibung und erhöhtem Verschleiß des Lagers. Beispielsweise können Einkerbungen auftreten, vor allem in den Laufflächen.Both the particles which are introduced into the lubricating grease in the course of production or maintenance work, as well as the particles in the bearing grease which occur as a result of the operation lead to an undesirable increase in the friction and increased wear of the bearing. For example, notches can occur, especially in the treads.
Außerdem sind die Möglichkeiten, dem Lager Schmierfett zuzuführen, bei der üblichen Verbrauchsschmierung sehr begrenzt.In addition, the opportunities to supply the bearing grease, with the usual consumption lubrication very limited.
Vorteilhaft ist bei der Schmierfettversorgungsvorrichtung gemäß Aspekten der Erfindung eine Schmierfettreinigungsvorrichtung vorgesehen, mit deren Hilfe Partikel aus dem Schmierfett des Lagers entfernt werden. Diese Maßnahme verringert den Verschleiß des Lagers und erhöht dessen Lebensdauer. Der negative Einfluss der im Lagerfett vorhandenen Partikel wird wesentlich verringert.Advantageously, in the grease supply device according to aspects of the invention, a grease cleaning device is provided, by means of which particles are removed from the lubricating grease of the bearing. This measure reduces the wear of the bearing and increases its life. The negative influence of the particles present in the bearing grease is significantly reduced.
Durch die alternative Verwendung eines magnetischen Abscheiders oder eines Schwerkraftabscheiders in der Schmierfettreinigungsvorrichtung werden schon viele Partikel, beispielsweise durch den magnetischen Abscheider magnetische Partikel, und entsprechend schwere Partikel durch den Schwerkraftabscheider, aus dem Schmierfettkreislauf entfernt.By the alternative use of a magnetic separator or a gravity separator in the grease cleaning device many particles, for example, by the magnetic separator magnetic particles, and correspondingly heavy particles are removed by the gravity separator, from the grease circuit.
Vorzugsweise weist die Schmierfettreinigungsvorrichtung den magnetischen Abscheider und zumindest den einen Schwerkraftabscheider auf.Preferably, the grease cleaning device comprises the magnetic separator and at least one gravity separator.
Durch die vorzugsweise Verwendung eines magnetischen Abscheiders und eines Schwerkraftabscheiders in der Schmierfettreinigungsvorrichtung werden sowohl magnetische Partikel, bei denen es sich vor allem um Abrieb handelt, als auch unmagnetische Partikel, die beispielsweise im Rahmen der Wartung oder bei der Herstellung in das Lager eindringen, aus dem Schmierfettkreislauf entfernt. Gleichzeitig wird in einem solchen geschlossenen Schmierfettkreislauf, der beispielsweise durch eine von der Schmierfettfördervorrichtung umfasste Pumpe zur Förderung des Schmierfetts in dem geschlossenen Schmierfettkreislauf aufrechterhalten wird, dem Lager stets die benötigte Menge Schmierfett zugeführt. Das Risiko einer Unterversorgung des Lagers mit Schmierfett wird minimiert.By preferably using a magnetic separator and a gravity separator in the grease cleaning device both magnetic particles, which are mainly abrasion, as well as non-magnetic particles that penetrate, for example in the context of maintenance or during manufacture in the camp, from the Grease circuit removed. At the same time in such a closed grease circuit, which is maintained for example by a pump included by the grease conveying device for conveying the grease in the closed grease circuit, the bearing always supplied the required amount of grease. The risk of under-supply of the bearing with grease is minimized.
Der permanente Fettaustausch sorgt außerdem für eine Art "Spül-Effekt". Das Schmierfett kann nämlich mit einem relativ hohen Volumenstrom gefördert werden, so dass im Lager vorhandene Partikel gemeinsam mit dem Schmierfett aus dem Lager gefördert und anschließend herausgefiltert werden. Das Lager, genauer dessen Lagerflächen werden also gleichzeitig geschmiert und von Verunreinigungen befreit.The permanent fat exchange also provides a kind of "flushing effect". The grease can namely be promoted with a relatively high volume flow, so that existing particles in the bearing are conveyed together with the grease from the camp and then filtered out. The bearing, more precisely its bearing surfaces are thus simultaneously lubricated and freed of impurities.
Gleichzeitig werden die Vorteile einer Schmierfettschmierung aufrechterhalten. Dies sind beispielsweise die gute Adhäsionscharakteristik von Schmierfett, insbesondere im Vergleich zu Öl, dessen korrosionsschützende Wirkung, die Aufrechterhaltung der Schmierung der Lager auch bei Stillstand der Windenergieanlage sowie geringe Anforderungen im Hinblick auf die Abdichtung des Lagergehäuses.At the same time, the benefits of lubricating grease are maintained. These are, for example, the good adhesion characteristics of lubricating grease, in particular compared to oil, its anti-corrosive effect, the maintenance of the lubrication of the bearings even when the wind turbine is stopped and low requirements with regard to the sealing of the bearing housing.
Alle diese Maßnahmen sorgen für eine zuverlässige Schmierung des Lagers, eine hohe Lebensdauer aufgrund eines geringen Verschleißes sowie ein geringes Reibmoment des Lagers.All these measures ensure reliable lubrication of the bearing, a long service life due to low wear and a low frictional torque of the bearing.
Gegenüber einer bekannten offenen Durchsatzschmierung, bei der mehr Schmierfett eingebracht wird und das überschüssige Schmierfett in Auffangbehältern aufgefangen wird und anschließend das aufgefangene Schmierfett wiederverwendet wird, hat ein geschlossenes System, wie es erfindungsgemäß vorgesehen ist, den Vorteil einer höheren Umweltfreundlichkeit, da weniger Schmierfett verbraucht wird. Dies schlägt sich in deutlich niedrigeren Kosten nieder.Compared with a known open flow lubrication, in which more grease is introduced and the excess grease is collected in collecting containers and then the collected grease is reused, a closed system, as provided for in the invention, the advantage of a higher environmental friendliness, since less grease is consumed , This is reflected in significantly lower costs.
Zudem ist es bevorzugt, das Schmierfett im Kreislauf zu kühlen, bevorzugterweise im unteren Bereich des Kreislaufs. Im unteren Bereich des Kreislaufs, beispielsweise im unteren Bereich des Maschinenhauses, ist es aufgrund einer relativ hohen Masse, insbesondere Metallmasse der Tragstruktur, kühler als in der weiteren Umgebung, so dass eine Kühlung des Schmierfettes, das im Kreislauf geführt wird, automatisch geschieht. Es kann zudem vorzugsweise vorgesehen sein, eine Kühlvorrichtung zur Kühlung des Schmierfettes einzusetzen.In addition, it is preferable to cool the grease in the circuit, preferably in the lower part of the circuit. In the lower region of the circuit, for example in the lower region of the machine house, it is due to a relatively high mass, in particular metal mass of the support structure, cooler than in the wider environment, so that a cooling of the lubricating grease, which is recycled, automatically. It may also preferably be provided to use a cooling device for cooling the grease.
Bei dem Lager der Windenergieanlage handelt es sich beispielsweise um ein Rotorlager, ein Blattverstelllager (Pitchlager), ein Turmlager oder auch ein anderes Lager einer sich drehenden Welle. Die Lager können als Wälzlager oder als Gleitlager ausgebildet sein. Ferner handelt es sich bei den Lagern wahlweise um Axial- oder um Radiallager. Beispielsweise ist das Lager ein axialwirksames Wälzlager, wie es als Rotorlager Verwendung findet.The bearing of the wind turbine is, for example, a rotor bearing, a pitch bearing (pitch bearing), a tower bearing or another bearing of a rotating shaft. The bearings can be designed as rolling bearings or plain bearings. Furthermore, the bearings are either axial or radial bearings. For example, the bearing is an axially effective rolling bearing, as it is used as a rotor bearing.
Das Schmierfett hat vorzugsweise eine Fettkonsistenz der NLGI-Klasse von 000 bis 2, insbesondere von 00 bis 2, ferner insbesondere 00 oder 1,5.The grease preferably has a NLGI grade grease consistency of from 000 to 2, especially from 00 to 2, further preferably 00 or 1.5.
Gemäß einer vorteilhaften Ausführungsform ist die Schmierfettversorgungsvorrichtung dadurch fortgebildet, dass der magnetische Abscheider und zumindest ein Schwerkraftabscheider in einem gemeinsamen Filtereinsatz aufgenommen sind, wobei der Filtereinsatz als austauschbares Modul ausgebildet ist.According to an advantageous embodiment, the grease supply device characterized in that the magnetic separator and at least one gravity separator are accommodated in a common filter insert, wherein the filter insert is designed as an exchangeable module.
Mit anderen Worten sind der magnetische Abscheider und zumindest ein Schwerkraftabscheider in dem gemeinsamen Filtereinsatz montiert. Diese bilden mit einem Gehäuse oder Rahmen des Filtereinsatzes ein austauschbares Modul. Diese Konstruktion erleichtert den Service der Schmierfettversorgungsvorrichtung, da zum Entfernen der aus dem Schmierfett herausgefilterten Verunreinigungen bevorzugt die gesamte Einheit, d.h. das gesamte Modul, ausgetauscht wird. Die Servicezeit wird vorteilhaft auf ein Minimum begrenzt. Das entnommene Modul kann anschließend gereinigt bzw. aufbereitet werden, so dass es für einen erneuten Einsatz in einer baugleichen oder ähnlichen Schmierfettversorgungsvorrichtung bereit ist.In other words, the magnetic separator and at least one gravity separator are mounted in the common filter cartridge. These form a replaceable module with a housing or frame of the filter cartridge. This construction facilitates the service of the grease supply device, since to remove the contaminants filtered from the grease, preferably the entire unit, i. the entire module is replaced. The service time is advantageously limited to a minimum. The removed module can then be cleaned or prepared so that it is ready for reuse in a similar or similar grease supply device.
Vorteilhaft ist die Schmierfettversorgungsvorrichtung ferner dadurch fortgebildet, dass ein erster und ein zweiter Schwerkraftabscheider vorhanden sind, die im geschlossenen Schmierfettkreislauf aufeinanderfolgend angeordnet sind.Advantageously, the grease supply device is further developed by the fact that a first and a second gravitational separator are present, which are arranged in succession in the closed grease circuit.
Eine zweistufige Schwerkraftabscheidung von in dem Schmierfett vorhandenen Partikeln erlaubt eine besonders gründliche Reinigung des Schmierfetts. Selbstverständlich ist es gemäß weiteren Ausführungsformen vorgesehen, dass mehr als zwei Schwerkraftabscheider in die Schmierfettreinigungsvorrichtung aufeinanderfolgend angeordnet sind.A two-step gravity separation of particles present in the grease allows a particularly thorough cleaning of the grease. Of course, according to further embodiments, it is provided that more than two gravitational separators are arranged successively in the grease cleaning device.
Vorteilhaft ist die Schmierfettversorgungsvorrichtung ferner dadurch fortgebildet, dass der magnetische Abscheider permanentmagnetische magnetfelderzeugende Mittel umfasst. Gemäß einer Weiterbildung ist ferner vorgesehen, dass die magnetfelderzeugenden Mittel zumindest näherungsweise senkrecht zur Schmierfettförderrichtung ausgerichtete Stäbe sind.Advantageously, the grease supply device is further developed by the fact that the magnetic separator permanent magnetic magnetic field generating means comprises. According to a further development it is further provided that the magnetic field generating means are at least approximately perpendicular to the lubricating grease conveying direction aligned rods.
Permanentmagnetische Stäbe haben sich als besonders wirkungsvoll erwiesen, um magnetische Partikel aus dem Schmierfett abzuscheiden. Sie stellen insbesondere in ihrer Anordnung senkrecht zur Schmierfettförderrichtung eine große Oberfläche bereit, welche von dem Schmierfett umströmt wird. So lagern sich im Schmierfett vorhandene magnetische Partikel effektiv an der Oberfläche der Stäbe an. Permanentmagnetische magnetfelderzeugende Mittel, beispielsweise Permanentmagnete, sind praktisch wartungsfrei und außerdem zu geringen Kosten gut verfügbar. Ein magnetischer Abscheider gemäß dieser Ausführungsform ist somit konstruktiv besonders einfach und außerdem ökonomisch herstellbar.Permanent magnetic rods have proven to be particularly effective for separating magnetic particles from the grease. They provide in particular in their arrangement perpendicular to the grease conveying direction a large surface ready, which is flowed around by the grease. Thus, magnetic particles present in the grease effectively deposit themselves on the surface of the rods. Permanent magnetic magnetic field generating means, such as permanent magnets, are virtually maintenance-free and also readily available at low cost. A magnetic separator according to this embodiment is thus structurally particularly simple and also economical to produce.
In einem Schmiermittel eines Lagers vorhandene Verunreinigungen bzw. Abriebpartikel lassen stets einen Rückschluss auf den Zustand des Lagers zu. Gemäß einer weiteren Ausführungsform ist vorgesehen, dass eine Schmierfett-Überwachungsvorrichtung zur Überwachung eines Zustandes des zu schmierenden Lagers von dem geschlossenen Schmierfettkreislauf umfasst ist. Bevorzugt handelt es sich bei einer solchen Vorrichtung zur Überwachung des Zustands eines zu schmierenden Lagers um einen Partikelzähler.Contaminants or abrasion particles present in a lubricant of a bearing always allow a conclusion to be drawn about the condition of the bearing. According to a further embodiment it is provided that a grease monitoring device for monitoring a state of the bearing to be lubricated from the closed grease circuit is included. Preferably, such a device for monitoring the condition of a bearing to be lubricated is a particle counter.
Aus dem von der Überwachungsvorrichtung bereitgestellten Messwert lässt sich jedoch nicht nur auf den Zustand des Lagers schließen. Es ist ebenso möglich, diesen Messwert als Grenzwert zu verwenden, um einen Hinweis darauf zu erhalten, dass die Schmierfettreinigungsvorrichtung gereinigt oder gewartet werden sollte. Steigt nämlich die Partikelkonzentration im Schmierfett über einen gewissen Grenzwert, so kann beispielsweise die Aufnahmefähigkeit des magnetischen Abscheiders oder des zumindest einen Schwerkraftabscheiders erschöpft sein. Um eine gewünschte Qualität des Schmierfetts im Hinblick auf seine Verunreinigung aufrecht zu erhalten, sollte eine Reinigung bzw. Wartung der Schmierfettreinigungsvorrichtung vorgenommen werden.However, the measured value provided by the monitoring device can not be used only to close the state of the bearing. It is also possible to use this reading as a limit to get an indication that the grease purifier should be cleaned or serviced. The particle concentration in the grease rises above a certain level Limit value, so for example, the capacity of the magnetic separator or the at least one gravity separator can be exhausted. In order to maintain a desired quality of the grease with regard to its contamination, a cleaning or maintenance of the grease cleaning device should be made.
Gemäß einer weiteren Ausführungsform ist vorgesehen, dass mehrere Lager der Windenergieanlage in den Schmierfettkreislauf integriert sind. Bei dem Lager der Windenergieanlage handelt es sich beispielsweise um ein Rotorlager, Blattverstelllager, Turmlager oder dgl. Diese Lager sind beispielsweise in Serie oder parallel in den Schmierfettkreislauf integriert. Vorteilhaft wird auf diese Weise mithilfe einer einzigen Schmierfettversorgungsvorrichtung die hohe Qualität des Schmierfetts für eine Vielzahl von Lagern der Windenergieanlage sichergestellt.According to a further embodiment, it is provided that a plurality of bearings of the wind turbine are integrated into the grease circuit. The bearing of the wind power plant is, for example, a rotor bearing, blade thrust bearing, tower bearing or the like. These bearings are integrated, for example, in series or in parallel in the grease circuit. Advantageously, the high quality of the grease for a plurality of bearings of the wind turbine is ensured in this way by means of a single grease supply device.
Schließlich ist gemäß einer weiteren vorteilhaften Ausführungsform die Schmierfettversorgungsvorrichtung dadurch fortgebildet, dass ein Direktschmiersystem in den geschlossenen Schmierfettkreislauf integriert ist, wobei das Direktschmiersystem eine Schmierfetteinbringvorrichtung mit einer Austrittsöffnung umfasst, die gegen eine Laufbahn des Lagers ausgerichtet ist.Finally, according to a further advantageous embodiment, the grease supply device is developed in that a direct lubrication system is integrated into the closed grease circuit, wherein the direct lubrication system comprises a grease introduction device with an outlet opening, which is aligned against a raceway of the bearing.
Ein Direktschmiersystem stellt eine sichere und zuverlässige Schmierung der Laufbahn des Lagers sicher. Es wird eine gezielte Schmierung des Lagers mit Schmierfett möglich. Bevorzugt handelt es sich bei der Schmierfetteinbringvorrichtung um eine Schmierfetteinspritzvorrichtung. Entsprechend wird das Schmierfett vorzugsweise auf die Laufbahn des Lagers aufgespritzt. Die Austrittsöffnung ist entsprechend bevorzugt als Düse ausgebildet, wodurch ein sehr effizientes Einspritzen von Schmierfett ermöglicht ist.A direct lubrication system ensures safe and reliable lubrication of the raceway of the bearing. Targeted lubrication of the bearing with grease is possible. The lubricating grease introduction device is preferably a grease injection device. Accordingly, the grease is preferably sprayed onto the raceway of the bearing. The outlet opening is accordingly preferably designed as a nozzle, whereby a very efficient injection of lubricating grease is made possible.
Die Aufgabe wird ferner gelöst durch eine Windenergieanlage mit zumindest einem mit Schmierfett geschmierten Lager, wobei die Windenergieanlage durch eine Schmierfettversorgungsvorrichtung nach einem oder mehreren der zuvor genannten Aspekte fortgebildet ist.The object is further achieved by a wind energy plant with at least one lubricated with grease bearing, wherein the wind turbine is formed by a grease supply device according to one or more of the aforementioned aspects.
Bei dem Lager der Windenergieanlage handelt es sich beispielsweise um das Rotorlager. Zu dessen Schmierung weist die Windenergieanlage eine entsprechende Schmierfettversorgungsvorrichtung auf. Es ist ferner insbesondere vorgesehen, dass mehrere Lager der Windenergieanlage, wie beispielsweise das Rotorlager, ein oder mehrere Blattverstelllager oder auch das Turmlager, in Reihe oder parallel in den geschlossenen Schmierfettkreislauf der Schmierfettversorgungsvorrichtung integriert sind.The bearing of the wind power plant is, for example, the rotor bearing. For its lubrication, the wind turbine on a corresponding grease supply device. It is further provided in particular that several bearings of the wind turbine, such as the rotor bearing, one or more Blattverstelllager or the tower bearing, are integrated in series or parallel in the closed grease circuit of the grease supply device.
Die vorteilhaft erhöhte Lebensdauer der Lager der Windenergieanlage wirkt sich ebenso vorteilhaft auf deren Gesamtleistung, insbesondere auf ihre Lebensdauer und Wirtschaftlichkeit, aus.The advantageously increased life of the bearings of the wind turbine also has an advantageous effect on their overall performance, in particular their service life and cost-effectiveness.
Im Übrigen treffen gleiche oder ähnliche Vorteile und Aspekte, wie sie bereits im Hinblick auf die Schmierfettversorgungsvorrichtung erwähnt wurden, auch auf eine Windenergieanlage mit einer solchen Schmierfettversorgungsvorrichtung zu.Incidentally, the same or similar advantages and aspects as already mentioned with regard to the grease supply device also apply to a wind turbine with such a grease supply device.
Die Aufgabe wird ferner gelöst durch die Verwendung einer Schmierfettversorgungsvorrichtung nach einem oder mehreren der genannten Aspekte und Ausführungsformen in einer Windenergieanlage mit zumindest einem mit Schmierfett geschmierten Lager.The object is further achieved by the use of a grease supply device according to one or more of the mentioned aspects and embodiments in a wind energy plant with at least one bearing lubricated with grease.
Die zuvor im Hinblick auf die Windenergieanlage und die Schmierfettversorgungsvorrichtung genannten Aspekte treffen in gleicher oder ähnlicher Weise auch auf die Verwendung der Schmierfettversorgungsvorrichtung in einer Windenergieanlage zu und sollen daher nicht wiederholt werden.The aspects mentioned above with regard to the wind turbine and the grease supply device meet in the same or similar to the use of the grease supply device in a wind turbine and therefore should not be repeated.
Schließlich wird die Aufgabe gelöst durch ein Verfahren zum Schmieren eines Lagers einer Windenergieanlage mit Schmierfett, wobei dieses Verfahren dadurch fortgebildet ist, dass das Schmierfett in einer Förderrichtung in einem geschlossenen Schmierfettkreislauf gefördert wird, wobei das zu schmierende Lager der Windenergieanlage und eine Schmierfettreinigungsvorrichtung jeweils einen Abschnitt des geschlossenen Schmierfettkreislaufs bilden, und wobei in dem Schmierfett vorhandene Partikel in der Schmierfettreinigungsvorrichtung mit einem magnetischen Abscheider oder mit zumindest einem Schwerkraftabscheider abgeschieden werden.Finally, the object is achieved by a method for lubricating a bearing of a wind turbine with lubricating grease, this method being developed in that the grease is conveyed in a conveying direction in a closed grease circuit, wherein the bearing of the wind turbine to be lubricated and a grease cleaning device each have a section form the closed grease circuit, and wherein particles present in the grease are deposited in the grease cleaning device with a magnetic separator or with at least one gravity separator.
Das Verfahren gemäß Aspekten der Erfindung ist herkömmlichen Schmierverfahren, wie beispielsweise der Verlustschmierung, weit überlegen. Es erfolgt nicht eine einmalige oder ggf. im Rahmen von Servicearbeiten aufwendig zu wiederholende Schmierung des Lagers durch entsprechende Fett-Befüllung, sondern eine kontinuierliche gleichmäßige Schmierung. Außerdem werden Verunreinigungen, wie insbesondere Verschleißpartikel, aus dem Lager entfernt. Es findet ein hoher Austausch des Schmiermittels, d.h. ein hoher Schmierfettaustausch, im Lager statt. Dies bewirkt ferner vorteilhaft eine Art "Spül-Effekt".The method according to aspects of the invention is far superior to conventional lubrication methods such as loss lubrication. It is not a one-time or possibly in the context of service work consuming repetitive lubrication of the bearing by appropriate fat filling, but a continuous uniform lubrication. In addition, impurities, in particular wear particles, are removed from the warehouse. There is a high replacement of the lubricant, i. a high lubricating exchange, in the warehouse instead. This also advantageously causes a kind of "flushing effect".
Vorzugsweise werden die in dem Schmierfett vorhandenen Partikel in der Schmierfettreinigungsvorrichtung mit dem magnetischen Abscheider und mit zumindest dem einen Schwerkraftabscheider abgeschieden.Preferably, the particles present in the grease are deposited in the grease cleaning device with the magnetic separator and with at least one gravity separator.
Gemäß einer vorteilhaften Ausführungsform ist das Verfahren dadurch fortgebildet, dass in dem magnetischen Abscheider mit permanentmagnetischen magnetfelderzeugenden Mitteln ein zum Abscheiden von Partikeln dienendes Magnetfeld erzeugt wird.According to an advantageous embodiment, the method in that a magnetic field for separating particles is generated in the magnetic separator with permanent magnetic magnetic field generating means.
Gemäß einer weiteren vorteilhaften Ausführungsform ist ferner vorgesehen, dass ein Zustand des Lagers überwacht wird, indem ein Zustand des Schmierfetts, insbesondere im Hinblick auf eine Anzahl von in dem Schmierfett vorhandenen Partikeln, überwacht wird.According to a further advantageous embodiment, it is further provided that a state of the bearing is monitored by monitoring a state of the lubricating grease, in particular with regard to a number of particles present in the lubricating grease.
Anhand des gewonnenen Parameters, der den Zustand des Lagers beschreibt und anhand von dessen Wert das Lager überwacht wird, kann zusätzlich ein Rückschluss auf den Zustand der Schmierfettreinigungsvorrichtung gezogen werden. So ist insbesondere vorgesehen, dass bei Überschreiten eines vorbestimmten Grenzwerts eine Wartungsmitteilung an eine Serviceleitstelle gesendet wird. Diese Mitteilung umfasst Informationen, welche auf die Notwendigkeit eines Austausches, einer Reinigung oder Wartung der Schmierfettreinigungsvorrichtung hinweisen.On the basis of the obtained parameter, which describes the condition of the bearing and by means of which value the bearing is monitored, an additional conclusion can be drawn on the condition of the grease-cleaning device. It is thus provided in particular that when a predetermined limit value is exceeded, a maintenance message is sent to a service control center. This notice includes information indicating the need for replacement, cleaning or maintenance of the grease purifier.
Gemäß einer weiteren vorteilhaften Ausführungsform ist außerdem vorgesehen, dass ein Direktschmiersystem in den geschlossenen Schmierfettkreislauf integriert ist, wobei das Direktschmiersystem eine Schmierfetteinbringvorrichtung mit einer Austrittsöffnung umfasst und durch diese Austrittsöffnung Schmierfett direkt auf eine Laufbahn des Lagers aufgebracht wird.According to a further advantageous embodiment, it is also provided that a direct lubrication system is integrated into the closed grease circuit, wherein the direct lubrication system comprises a Schmierfetteinbringvorrichtung with an outlet opening and grease is applied directly to a raceway of the bearing through this outlet opening.
Vorteilhafte Aspekte eines Direktschmiersystems sind bereits im Hinblick auf die Schmierfettversorgungsvorrichtung erwähnt worden und sollen nicht wiederholt werden. Gleiches gilt auch für die weiteren im Zusammenhang mit der Schmierfettversorgungsvorrichtung erwähnten Aspekte und Vorteile, welche in gleicher oder ähnlicher Weise auch auf das Verfahren zum Schmieren eines Lagers einer Windenergieanlage zutreffen und daher an dieser Stelle nicht wiederholt werden sollen.Advantageous aspects of a direct lubrication system have already been mentioned with regard to the grease supply device and are not intended to be repeated. The same applies to the other aspects and advantages mentioned in connection with the grease supply device, which in the same or a similar way also apply to the method for lubricating a bearing of a bearing Wind turbine and therefore should not be repeated at this point.
Weitere Merkmale der Erfindung werden aus der Beschreibung erfindungsgemäßer Ausführungsformen zusammen mit den Ansprüchen und den beigefügten Zeichnungen ersichtlich. Erfindungsgemäße Ausführungsformen können einzelne Merkmale oder eine Kombination mehrerer Merkmale erfüllen.Further features of the invention will become apparent from the description of embodiments according to the invention together with the claims and the accompanying drawings. Embodiments of the invention may satisfy individual features or a combination of several features.
Die Erfindung wird nachstehend ohne Beschränkung des allgemeinen Erfindungsgedankens anhand von Ausführungsbeispielen unter Bezugnahme auf die Zeichnungen beschrieben, wobei bezüglich aller im Text nicht näher erläuterten erfindungsgemäßen Einzelheiten ausdrücklich auf die Zeichnungen verwiesen wird. Es zeigen:
- Fig. 1
- einen schematischen Querschnitt durch die Gondel einer Windenergieanlage,
- Fig. 2
- eine schematisch vereinfachte Schnittansicht eines Details einer Schmierfettversorgungsvorrichtung und
- Fig. 3
- eine schematische Darstellung einer Schmierfettversorgungsvorrichtung.
- Fig. 1
- a schematic cross section through the nacelle of a wind turbine,
- Fig. 2
- a simplified schematic sectional view of a detail of a grease supply device and
- Fig. 3
- a schematic representation of a grease supply device.
In den Zeichnungen sind jeweils gleiche oder gleichartige Elemente und/oder Teile mit denselben Bezugsziffern versehen, so dass von einer erneuten Vorstellung jeweils abgesehen wird.In the drawings, the same or similar elements and / or parts are provided with the same reference numerals, so that apart from a new idea each.
Die Gondel 3 sitzt auf einem Turm 2, dessen gondelnaher Abschnitt dargestellt ist. Links in
Die Gondel 3 beherbergt einen Maschinenträger 12, der über einen Turmkopfdrehkranz 9 und ein nicht dargestelltes Turmlager mit dem Turm 2 verbunden ist. Am Turmkopfdrehkranz 9 greifen Windnachführungsmotoren 10 einer Azimutverstellung an, die die Gondel 3 bzw. den Windrotor 22 in Richtung auf die herrschende Windrichtung ausrichten. Hierzu sind beispielhaft vier Windnachführungsmotoren 10 vorhanden, von denen zwei auf der dargestellten Seite angeordnet sind und zwei verdeckt dahinter auf der gegenüberliegenden Seite des Maschinenträgers 12. Ebenfalls greifen am Turmkopfdrehkranz 9 Azimutbremsen 11 an, die der Arretierung der Azimuteinstellung des Windrotors 22 dienen.The nacelle 3 accommodates a
Der Windrotor 22 treibt eine Rotorwelle 13 an, die in einem als Wälzlager ausgebildeten Rotorlager 14 drehbar gelagert ist. Bei der Windenergieanlage MD70 der Anmelderin ist das Rotorlager 14 als Festlager ausgebildet, das nur wenige Millimeter Spiel in axialer Richtung der Rotorwelle 13 erlaubt. Die Rotorwelle 13 treibt ein Getriebe 15, das die langsame Drehbewegung der Rotorwelle 13 in eine schnelle Drehbewegung einer Generatorwelle 19, die mit Kupplungen dargestellt ist, umsetzt. Die schnelle Welle des Getriebes 15 treibt wiederum einen Generator 20 zur Stromerzeugung an, der mit einem Wärmetauscher 21 ausgestattet ist. Alternativ sind zur Lagerung der Rotorwelle zwei Rotorlager vorgesehen. Sowohl das vordere als auch das hintere Lager kann als Festlager zur Aufnahme des Rotorschubs ausgebildet sein.The
Das Getriebe 15 weist eine Rotorbremse 17 und einen Schleifringüberträger 18 auf sowie zwei elastische Getriebeaufhängungen 16 bzw. Auflager, von denen eines in
Die Schmierfettversorgungsvorrichtung 30 ist in
Zumindest ein zu schmierendes Lager der Windenergieanlage 1 ist in den geschlossenen Schmierfettkreislauf integriert, also beispielsweise über das Rohrleitungssystem 40 mit der Schmierfettversorgungsvorrichtung 30 verbunden. Mit anderen Worten bildet das Lager einen Abschnitt des geschlossenen Schmierfettkreislaufs.At least one bearing to be lubricated the wind turbine 1 is integrated into the closed grease circuit, so connected for example via the piping 40 to the
Das Schmierfett 34 wird an einem Ausgang 42 von der Schmierfettversorgungsvorrichtung 30 bereitgestellt und dem zu schmierenden Lager zugefördert. Aus dem Lager der Windenergieanlage 1 abgefördertes Schmierfett erreicht beispielsweise über das Rohrleitungssystem 40 einen Eingang 44 der Schmierfettversorgungsvorrichtung 30.The
Bei dem zu schmierenden Lager der Windenergieanlage 1 handelt es sich beispielsweise um das Rotorlager 14, ein oder mehrere Rotorblattlager 6 oder auch das nicht dargestellte Turmlager. Es ist ebenso vorgesehen, dass mehrere Lager gleichzeitig mit der Schmierfettversorgungsvorrichtung 30 verbunden sind und von dieser versorgt werden. Diese Lager sind in Reihe, d.h. hintereinander, oder parallel in den geschlossenen Schmierfettkreislauf integriert. Das bzw. die zu schmierenden Lager der Windenergieanlage 1 bilden einen Abschnitt des fluidisch geschlossenen Schmierfettkreislaufs.The bearing to be lubricated of the wind turbine 1 is, for example, the rotor bearing 14, one or more
Die Schmierfettversorgungsvorrichtung 30 umfasst ferner eine Schmierfettreinigungsvorrichtung 46. Diese bildet ebenfalls einen Abschnitt des geschlossenen Schmierfettkreislaufs. In dem in
Die Schmierfettreinigungsvorrichtung 46 bewirkt, dass Schmierfett 34, welches ihr am Eingang 44 zugeführt wird, gereinigt und am Ausgang 42 in gereinigter Form dem geschlossenen Schmierfettkreislauf wieder zugeführt wird. Das Schmierfett 34 eines zu schmierenden Lagers 6, 14 der Windenergieanlage 1 weist, bedingt durch Verschleiß, ferromagnetische Partikel als Verunreinigungen auf. Das verunreinigte Schmierfett 34, welches von dem zu schmierenden Lager 6, 14 zum Eingang 44 der Schmierfettreinigungsvorrichtung 46 gelangt, wird zunächst dem magnetischen Abscheider 48 zugeführt. Dieser umfasst gemäß dem in
Die in dem Schmierfett 34 vorhandenen magnetischen Partikel lagern sich an den Stäben 54 (von denen aus Gründen der Übersichtlichkeit der Zeichnung lediglich einige mit Bezugszeichen versehen sind) an und bilden dort entsprechende Ablagerungen 56 (von denen ebenfalls aus Gründen der Übersichtlichkeit lediglich einige mit Bezugszeichen versehen sind).The present in the
Das von magnetischen Partikeln weitgehend befreite Schmierfett 34 gelangt anschließend in den ersten Schwerkraftabscheider 50. In diesem als Topf oder Wanne ausgebildeten Gefäß sedimentieren im Schmierfett 34 vorhandene nichtmagnetische Partikel bzw. Verunreinigungen. Im unteren Bereich des ersten Schwerkraftabscheiders 50 bilden sich somit Ablagerungen 58 nichtmagnetischer Partikel. Erreicht der Füllstand des ersten Schwerkraftabscheiders 50 das erste Niveau N1, schwappt das Schmierfett 34 vom ersten Schwerkraftabscheider 50 in den zweiten Schwerkraftabscheider 52. Der zweite Schwerkraftabscheider 52 weist bevorzugt ein größeres Volumen als der erste Schwerkraftabscheider 50 auf, so dass die Verweildauer des Schmierfetts 34 im zweiten Schwerkraftabscheider 52 größer ist. So ist es möglich, dass sich in dem zweiten Schwerkraftabscheider 52 feinere Partikel ablagern bzw. dort sedimentieren. Entsprechend bildet sich dort ebenfalls eine Ablagerung 58 nichtmagnetischer Partikel aus. Erreicht der Füllstand des zweiten Schwerkraftabscheiders 52 das zweite Niveau N2, so läuft das Schmierfett 34 über die Verbindungsleitung 60 in einen Zwischenspeicher 62. Im Zwischenspeicher 62 sammelt sich das von Partikeln gereinigte Schmierfett 34, bis es anschließend über die Pumpe 38 zum Ausgang 42 der Schmierfettreinigungsvorrichtung 46 gefördert wird. Der Zwischenspeicher 62 umfasst ferner einen Belüftungstrockner 70. Von dort gelangt das gereinigte Schmierfett 34 über den geschlossenen Schmierfettkreislauf erneut zu einem oder mehreren der zu schmierenden Lager 6, 14 der Windenergieanlage 1.The
Nach gegebener Zeit wird sich in der Schmierfettreinigungsvorrichtung 46 eine maximale Menge an Ablagerungen magnetischer Partikel 56 an den Stäben 54 des magnetischen Abscheiders 48 sowie eine maximale Menge an Ablagerungen nicht magnetischer Partikel 58 in dem ersten und zweiten Schwerkraftabscheider 50, 52 ansammeln. Um die Reinigungswirkung der Schmierfettreinigungsvorrichtung 46 aufrecht zu erhalten, ist eine Wartung bzw. Reinigung der Schmierfettreinigungsvorrichtung 46 vorgesehen.Eventually, in the
Um eine solche Wartung zu erleichtern, sind der magnetische Abscheider 48 und der erste Schwerkraftabscheider 50 in einem gemeinsamen Filtereinsatz 64 aufgenommen. Der Filtereinsatz 64 ist als austauschbares Modul ausgebildet und daher über lösbare Verbindungen, beispielsweise Schrauben 66, mit dem Gehäuse der Schmierfettreinigungsvorrichtung 46 verbunden. Zur Wartung wird der komplette Filtereinsatz 64 der Schmierfettreinigungsvorrichtung 46 entnommen und beispielsweise durch einen neuen oder gereinigten Filtereinsatz ersetzt. Derjenige Filtereinsatz 64, welcher die Ablagerungen 56, 58 magnetischer und nicht magnetischer Partikel umfasst, wird anschließend gereinigt oder einer Aufbereitung zugeführt. Die in dem zweiten Schwerkraftabscheider 52 vorhandenen Ablagerungen 58 nicht magnetischer Partikel werden über einen Slop-Ablass 68 (Schmutz-Ablass) im Rahmen der durchgeführten Wartungsarbeiten abgelassen.To facilitate such maintenance, the
Die Schmierfettversorgungsvorrichtung 30 (vgl.
Hierzu ist die Schmierfett-Überwachungsvorrichtung 72 insbesondere mit einer Leitstelle über eine entsprechende (nicht dargestellte) Datenleitung verbunden, so dass ein entsprechender Wartungshinweis an die Leitstelle übertragen werden kann.For this purpose, the
Ferner umfasst die Schmierfettversorgungsvorrichtung 30 ein nicht näher dargestelltes Direktschmiersystem. Dieses ist ebenfalls in den geschlossenen Schmierfettkreislauf integriert. Das Direktschmiersystem umfasst eine Schmierfetteinbringvorrichtung mit einer Austrittsöffnung, die gegen eine Laufbahn des Lagers 6, 14 ausgerichtet ist. Ein solches Direktschmiersystem erlaubt eine gezielte Schmierung der Laufbahn des Lagers 6, 14, so dass dessen Schmierung stets optimal gewährleistet ist.Furthermore, the
Alle genannten Merkmale, auch die den Zeichnungen allein zu entnehmenden sowie auch einzelne Merkmale, die in Kombination mit anderen Merkmalen offenbart sind, werden allein und in Kombination als erfindungswesentlich angesehen. Erfindungsgemäße Ausführungsformen können durch einzelne Merkmale oder eine Kombination mehrerer Merkmale erfüllt sein. Im Rahmen der Erfindung sind Merkmale, die mit "insbesondere" oder "vorzugsweise" gekennzeichnet sind, als fakultative Merkmale zu verstehen.All mentioned features, including the drawings alone to be taken as well as individual features that are disclosed in combination with other features are considered alone and in combination as essential to the invention. Embodiments of the invention may be accomplished by individual features or a combination of several features. In the context of the invention, features which are identified by "particular" or "preferably" are to be understood as optional features.
- 11
- WindenergieanlageWind turbine
- 22
- Turmtower
- 33
- Gondelgondola
- 44
- Rotornaberotor hub
- 55
- Rotorblattrotor blade
- 66
- RotorblattlagerRotor blade bearings
- 77
- Blattverstellantriebblade adjustment
- 88th
- Steuerung der BlattverstellungControl of blade adjustment
- 99
- TurmkopfdrehkranzTower head slewing ring
- 1010
- WindnachführungsmotorenWindnachführungsmotoren
- 1111
- Azimutbremsenyaw brakes
- 1212
- Maschinenträgermachine support
- 1313
- Rotorwellerotor shaft
- 1414
- Rotorlagerrotor bearing
- 1515
- Getriebetransmission
- 1616
- elastische Getriebeaufhängungelastic transmission suspension
- 1717
- Rotorbremserotor brake
- 1818
- SchleifringüberträgerSlip ring carrier
- 1919
- Generatorwelle mit KupplungenGenerator shaft with couplings
- 2020
- Generatorgenerator
- 2121
- Wärmetauscherheat exchangers
- 2222
- Windrotorwind rotor
- 3030
- SchmierfettversorgungsvorrichtungGrease supply device
- 3232
- SchmierfettfördervorrichtungGrease conveyor
- 3434
- Schmierfettgrease
- 3636
- Förderrichtungconveying direction
- 3838
- Pumpepump
- 4040
- RohrleitungssystemPiping
- 4242
- Ausgangoutput
- 4444
- Eingangentrance
- 4646
- SchmierfettreinigungsvorrichtungGrease cleaning device
- 4848
- magnetischer Abscheidermagnetic separator
- 5050
- erster Schwerkraftabscheiderfirst gravitational separator
- 5252
- zweiter Schwerkraftabscheidersecond gravity separator
- 5454
- Stäberods
- 5656
- Ablagerungen magnetischer PartikelDeposits of magnetic particles
- 5858
- Ablagerungen nicht magnetischer PartikelDeposits of non-magnetic particles
- 6060
- Verbindungsleitungconnecting line
- 6262
- Zwischenspeichercache
- 6464
- Filtereinsatzfilter cartridge
- 6666
- Schraubenscrew
- 6868
- Slop-AblassSlop drain
- 7070
- Belüftungstrocknerventilation dryer
- 7272
- Schmierfett-ÃœberwachungsvorrichtungGrease-monitoring device
- N1N1
- erstes Niveaufirst level
- N2N2
- zweites Niveausecond level
Claims (15)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015008301.5A DE102015008301A1 (en) | 2015-06-29 | 2015-06-29 | Grease supply device and method for lubricating a bearing of a wind turbine |
Publications (2)
Publication Number | Publication Date |
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EP3112626A1 true EP3112626A1 (en) | 2017-01-04 |
EP3112626B1 EP3112626B1 (en) | 2020-08-05 |
Family
ID=56116366
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16173683.0A Active EP3112626B1 (en) | 2015-06-29 | 2016-06-09 | Lubricating grease supply device and method for lubricating a bearing of a wind turbine |
Country Status (2)
Country | Link |
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EP (1) | EP3112626B1 (en) |
DE (1) | DE102015008301A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3318790A1 (en) * | 2016-11-04 | 2018-05-09 | Siemens Aktiengesellschaft | Grease filter |
Citations (8)
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US5435414A (en) * | 1994-01-05 | 1995-07-25 | Castrol Ltd. | Batch recirculating system for highly viscous and semi fluid lubricants |
US20040134859A1 (en) * | 2001-03-12 | 2004-07-15 | Dirk-Olaf Leimann | Lubrication system |
EP1854629A1 (en) * | 2006-05-12 | 2007-11-14 | MAN Roland Druckmaschinen AG | Printing press lubricating system and method |
JP2012154472A (en) * | 2011-01-28 | 2012-08-16 | Mitsubishi Heavy Ind Ltd | Maintenance apparatus for bearing |
US20130068253A1 (en) * | 2011-09-20 | 2013-03-21 | Inventus Holdings, Llc | System and method for purging a bearing and bearing housing |
WO2013062594A1 (en) * | 2011-10-28 | 2013-05-02 | Rem Technologies, Inc. | Wind turbine gearbox lubrication system |
DE102012205086A1 (en) | 2012-03-29 | 2013-10-02 | Repower Systems Se | Gearbox mounting of a wind turbine, wind turbine and method for servicing a gearbox mounting |
EP1801415B1 (en) | 2005-12-02 | 2014-06-11 | Senvion SE | Wind turbine with regreasing device for the generator bearing |
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DE695665C (en) * | 1938-10-14 | 1940-08-30 | Paul G Ehrhardt | Device for removing metal particles from the reservoir of a lubricating device, in particular from internal combustion engines |
US4306970A (en) * | 1979-04-10 | 1981-12-22 | Ishikawajima-Harima Jukogyo Kabushiki Kaisha | Magnetic particle separating device |
DE102009014922A1 (en) * | 2009-03-25 | 2010-09-30 | Ab Skf | Greased double row rolling bearing and bearing system with such a rolling bearing and a lubricating device |
DE102011008672A1 (en) * | 2011-01-15 | 2012-07-19 | Hydac Filtertechnik Gmbh | Device for lubricating a gearbox and a bearing |
-
2015
- 2015-06-29 DE DE102015008301.5A patent/DE102015008301A1/en not_active Withdrawn
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2016
- 2016-06-09 EP EP16173683.0A patent/EP3112626B1/en active Active
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US5435414A (en) * | 1994-01-05 | 1995-07-25 | Castrol Ltd. | Batch recirculating system for highly viscous and semi fluid lubricants |
US20040134859A1 (en) * | 2001-03-12 | 2004-07-15 | Dirk-Olaf Leimann | Lubrication system |
EP1801415B1 (en) | 2005-12-02 | 2014-06-11 | Senvion SE | Wind turbine with regreasing device for the generator bearing |
EP1854629A1 (en) * | 2006-05-12 | 2007-11-14 | MAN Roland Druckmaschinen AG | Printing press lubricating system and method |
JP2012154472A (en) * | 2011-01-28 | 2012-08-16 | Mitsubishi Heavy Ind Ltd | Maintenance apparatus for bearing |
US20130068253A1 (en) * | 2011-09-20 | 2013-03-21 | Inventus Holdings, Llc | System and method for purging a bearing and bearing housing |
WO2013062594A1 (en) * | 2011-10-28 | 2013-05-02 | Rem Technologies, Inc. | Wind turbine gearbox lubrication system |
DE102012205086A1 (en) | 2012-03-29 | 2013-10-02 | Repower Systems Se | Gearbox mounting of a wind turbine, wind turbine and method for servicing a gearbox mounting |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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EP3318790A1 (en) * | 2016-11-04 | 2018-05-09 | Siemens Aktiengesellschaft | Grease filter |
US10632404B2 (en) | 2016-11-04 | 2020-04-28 | Siemens Gamesa Renewable Energy A/S | Grease filter and method of use |
Also Published As
Publication number | Publication date |
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EP3112626B1 (en) | 2020-08-05 |
DE102015008301A1 (en) | 2016-12-29 |
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